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| author | Sukadev Bhattiprolu <sukadev@us.ibm.com> | 2007-05-10 22:23:00 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-11 08:29:35 -0700 |
| commit | 820e45db2380eb1545fa2bc5d34b8b2f2933faeb (patch) | |
| tree | 426e89e9205e44559d949d9cdf8bf1035bdc3710 /kernel/pid.c | |
| parent | e713d0dab21a68500720e222fa02567fc7dfb14b (diff) | |
| download | lwn-820e45db2380eb1545fa2bc5d34b8b2f2933faeb.tar.gz lwn-820e45db2380eb1545fa2bc5d34b8b2f2933faeb.zip | |
statically initialize struct pid for swapper
Statically initialize a struct pid for the swapper process (pid_t == 0) and
attach it to init_task. This is needed so task_pid(), task_pgrp() and
task_session() interfaces work on the swapper process also.
Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Serge Hallyn <serue@us.ibm.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: <containers@lists.osdl.org>
Acked-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/pid.c')
| -rw-r--r-- | kernel/pid.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/pid.c b/kernel/pid.c index d76f59326bd4..eb66bd2953ab 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -27,11 +27,13 @@ #include <linux/bootmem.h> #include <linux/hash.h> #include <linux/pid_namespace.h> +#include <linux/init_task.h> #define pid_hashfn(nr) hash_long((unsigned long)nr, pidhash_shift) static struct hlist_head *pid_hash; static int pidhash_shift; static struct kmem_cache *pid_cachep; +struct pid init_struct_pid = INIT_STRUCT_PID; int pid_max = PID_MAX_DEFAULT; |